1. Date of download: 6/6/2016 Copyright © 2016 SPIE. All rights reserved. Sample data showing the importance of including a leading multiplier in the cost model. Figure Legend: From: Commentary on multivariable parametric cost model for ground optical telescope assembly Opt. Eng. 2012;51(5):059701-1-059701-4. doi:10.1117/1.OE.51.5.059701

2. Date of download: 6/6/2016 Copyright © 2016 SPIE. All rights reserved. 73% learning curve for the VLT and Gemini mirrors. Figure Legend: From: Commentary on multivariable parametric cost model for ground optical telescope assembly Opt. Eng. 2012;51(5):059701-1-059701-4. doi:10.1117/1.OE.51.5.059701

3. Date of download: 6/6/2016 Copyright © 2016 SPIE. All rights reserved. 84% learning curve for the James Webb Space Telescope mirrors. Figure Legend: From: Commentary on multivariable parametric cost model for ground optical telescope assembly Opt. Eng. 2012;51(5):059701-1-059701-4. doi:10.1117/1.OE.51.5.059701

4. Date of download: 6/6/2016 Copyright © 2016 SPIE. All rights reserved. Positioning of prescriptions A, B, and C on the James Webb Space Telescope. Figure Legend: From: Commentary on multivariable parametric cost model for ground optical telescope assembly Opt. Eng. 2012;51(5):059701-1-059701-4. doi:10.1117/1.OE.51.5.059701